Radeon R5 Graphics and GeForce 7900 GX2 - video card comparison
Radeon R5 Graphics
GeForce 7900 GX2
Architecture
GCN 2.0 (2013−2017)
Curie (2003−2013)
GPU code name
Spectre SL
G71
Market segment
Desktop
Desktop
Release date
September 2014
April 2006
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
2x 6-pin
Boost clock speed
720 MHz
-
Core clock speed
497 MHz
500 MHz
Floating-point performance
388.1 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
2,410 million
278 million
Pipelines / CUDA cores
256
-
Power consumption (TDP)
15 Watt
-
Texture fill rate
7.952
12.00
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1200 MHz
Memory bandwidth
-
38.4 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.6
2.1
Shader Model
6.0
3.0
Vulkan
1.2.131
N/A